v2.15.0

Changelog

7096117 v2.15.0
1f08348 packet: fix typos
ec9cb7a packet: silence staticcheck warning
750aa23 fixed naming issue, removed one more error allocation
80f18d5 optimized packet/mrt allocations, mostly by reuse of error values
a5f98d5 replaced fmt.Sprintf with strconv.Itoa for Protocol.String()
ff36bb9 optimized allocations in packet/bgp validations
2ef8db0 optimized allocations in packet/bgp
136c822 fixed style: unnecessary type cast after type switch and some minor issues.
077e3aa optimized EVPNMacIPAdvertisementRoute, SerializeExtendedCommunities and PathAttributeIP6ExtendedCommunities allocations.
03f864a docs: update cli output